package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

/**
 * @create: 2024/8/22
 * @author: gyhe10
 * @description: 统一异常处理类
 **/
@Slf4j
@RestControllerAdvice(basePackages = {"com.atguigu.gulimall.product.controller"})
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("异常信息：{}，异常类型：{}" + throwable.getMessage(), throwable.getClass());
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleMethodArgumentNotValidException(MethodArgumentNotValidException ex) {
        log.error("数据校验出现异常：{}，异常类型：{}" + ex.getMessage(), ex.getClass());
        BindingResult bindingResult = ex.getBindingResult();
        HashMap<String, String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach(item -> {
            String message = item.getDefaultMessage();
            String field = item.getField();
            map.put(field, message);
        });
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(), BizCodeEnum.VAILD_EXCEPTION.getMsg()).put("data", map);
    }
}
